Home / 3,190.81-4,403.33-1,774.62

Finding the Fourth Proportional to 3,190.81, 4,403.33 and 1,774.62

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Solution

The fourth proportional to 3,190.81, 4,403.33 and 1,774.62 is: 2,448.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.81 : 4,403.33 = 1,774.62 : x
  2. Step 2: Convert to fraction form
    3,190.81/4,403.33 = 1,774.62/x
  3. Step 3: Cross multiply
    3,190.81x = 4,403.33 × 1,774.62
  4. Step 4: Simplify right side
    3,190.81x = 7,814,237.48
  5. Step 5: Solve for x
    x = 7,814,237.48/3,190.81
  6. Step 6: Final answer
    x = 2,448.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.